Drainage (368)

Surface water drainage products and systems to collect, treat, store and release stormwater and rainwater from highways, pavements, industrial hardstandings and driveways on EXTERNAL WORKS. Helping you find the best product for your project.

Conservation Priora is a permeable, textured concrete paving range with granite aggregate. It is produced in three large plan sizes and three complementary colourways. Conservation Priora has been designed to facilitate the...

The H3G GRC headwall is a precast glass-reinforced cement headwall with an opening to suit 150mm diameter pipes and knockout webs to enlarge to 225mm and 300mm diameter pipes. Cost-effective alternative to in-situ structures...

The CPM Perfect Manhole sealed base system offers safer construction, savings on GHG emissions, and faster installation that is watertight and available at short notice. Manhole design and construction has remained unchanged...

Ridigistorm-XL low flow channel pipes are designed to ensure a self-cleaning flow velocity which prevents water and sewerage becoming stagnant, or flow being blocked, in adoptable sewers. The Ridgistorm-XL low flow channels...

The Althon Range of Chieftan Precast Inspection Chambers has been designed to make installation on-site as straightforward as possible. Each inspection chamber comes in two halves with a reinforced cover slab. The units are...

The Althon Range of Chieftan Precast Inspection Chambers has been designed to make installation on-site as straightforward as possible. Each inspection chamber comes in two halves with a reinforced cover slab. The units are...

Birco 150 is a low to medium capacity linear drainage system that combines concrete channels with a metal grates and covers. Birco 150’s water drainage channels are constructed of a robust precast concrete to ensure reliable...

ACO StormBrixx is a unique and patented plastic geocellular stormwater management system. Its versatile design allows the system to be used in applications across all construction environments as a stand-alone solution or as...

The AH10 C angled headwall is a standard one-piece precast reinforced concrete headwall for pipes with internal diameters up to 900mm. They allow pipework entering a watercourse at an angle, or for an outfall to be sited on...

ACO QuadraCeptor is a specialist rainwater and surface water run-off filtration system for the removal of sediment and harmful pollutants. The first objective of any SuDS scheme is to manage the water at source and, where...

Traffic Drain is a strong and robust composite slot linear drainage channel system suitable for highway applications and fast moving vehicles. Each 500mm-long top unit has six inlet apertures and inclined side walls to...

The Polystorm range of modular geocellular structures is used for the control and management of surface water. The structures are designed to provide retention, attenuation or infiltration, primarily for deeper applications.

About EXTERNAL WORKS

EXTERNAL WORKS helps designers, specifiers and buyers find the right companies and products to work with for all civil engineering, landscape and architectural hardscape new build and refurbishment projects. EXTERNAL WORKS helps you reach a faster, better quality of decision about who and what to work with. Our website and all the content that...Read more